Mass per volume density.
Milligrams per Fluid ounce to Drams per Fluid ounce Converter — mg/fl oz to dr/fl oz
Convert Milligram per Fluid ounce (mg/fl oz) to Dram per Fluid ounce (dr/fl oz) using the exact conversion factor (1 milligram per fluid ounce = 0.0005643834 dram per fluid ounce). See the formula, worked examples, and conversion table.
Milligrams per Fluid ounce to Drams per Fluid ounce converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 0.0338140227 / 59.91321366.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Fluid ounce to Drams per Fluid ounce
Milligram per Fluid ounce and Dram per Fluid ounce both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
drams per fluid ounce = milligrams per fluid ounce × 0.000564383391193
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per fluid ounce equals 0.0338140227018 base units, and 1 dram per fluid ounce equals 59.9132136584 base units, so dividing one by the other gives the direct milligram per fluid ounce-to-dram per fluid ounce factor of 0.000564383391193.
Simple example
1 mg/fl oz × 0.0005643833912 = 0.0005643834 dr/fl oz
1 milligram per fluid ounce = 0.0005643834 drams per fluid ounce.
Real-world example
1,000 mg/fl oz × 0.0005643833912 = 0.5643833912 dr/fl oz
1,000 milligrams per fluid ounce = 0.5643833912 drams per fluid ounce.
Conversion table
| Milligram per Fluid ounce (mg/fl oz) | Dram per Fluid ounce (dr/fl oz) |
|---|---|
| 0.1 mg/fl oz | 0.0000564383 dr/fl oz |
| 1 mg/fl oz | 0.0005643834 dr/fl oz |
| 10 mg/fl oz | 0.0056438339 dr/fl oz |
| 100 mg/fl oz | 0.0564383391 dr/fl oz |
| 1,000 mg/fl oz | 0.5643833912 dr/fl oz |
| 10,000 mg/fl oz | 5.643833912 dr/fl oz |
Reverse conversion: Dram per Fluid ounce to Milligram per Fluid ounce
0.0005643834 dr/fl oz × 1771.845195 = 1.000000016 mg/fl oz
0.0005643834 drams per fluid ounce = 1.000000016 milligrams per fluid ounce.
milligrams per fluid ounce = drams per fluid ounce × 1771.84519531
For a page dedicated to this direction, see Dram per Fluid ounce to Milligram per Fluid ounce.
Understanding the Milligram per Fluid ounce (mg/fl oz)
Mass per volume density.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per fluid ounce are in 1 milligram per fluid ounce?
1 milligram per fluid ounce equals 0.0005643834 drams per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per fluid ounce to dram per fluid ounce?
Multiply the milligram per fluid ounce value by 0.0005643833912. The converter above does this instantly to whatever precision you set.
How do I convert dram per fluid ounce back to milligram per fluid ounce?
Use the reverse factor: 1 dram per fluid ounce equals 1,771.845195 milligrams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per fluid ounce?
Milligram per Fluid ounce (mg/fl oz) is a unit of density.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
Is the milligram per fluid ounce to dram per fluid ounce conversion exact?
Yes. Both milligram per fluid ounce and dram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.0005643833912 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.